CVE-2020-3958

Name: CVE-2020-3958
Creator: NVD / NIST
Published: 2020-05-29T20:15:11.61+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 0.45%

Last modified Jun 17, 2026

CVE-2020-3958 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. VMware ESXi (6.7 before ESXi670-202004101-SG and 6.5 before ESXi650-202005401-SG), VMware Workstation (15.x before 15.5.2) and VMware Fusion (11.x before 11.5.2) contain a denial-of-service vulnerability in the shader functionality. Successful exploitation of this issue may allow attackers with non-administrative access to a virtual machine to crash the virtual machine's vmx process leading to a denial of service condition.. EPSS estimates a 0.45% chance of exploitation in the next 30 days.

Description

VMware ESXi (6.7 before ESXi670-202004101-SG and 6.5 before ESXi650-202005401-SG), VMware Workstation (15.x before 15.5.2) and VMware Fusion (11.x before 11.5.2) contain a denial-of-service vulnerability in the shader functionality. Successful exploitation of this issue may allow attackers with non-administrative access to a virtual machine to crash the virtual machine's vmx process leading to a denial of service condition.

Metrics

CVSS 3.1

5.5/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

0.45%

35.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-617

Affected Software

Vendor	Product	Versions
Vmware	Fusion	>= 11.0.0, < 11.5.2
Vmware	Workstation	>= 15.0.0, < 15.5.2
Vmware	Esxi	6.5
Vmware	Esxi	6.7

References

https://www.talosintelligence.com/vulnerability_reports/TALOS-2019-0957Third Party Advisory
https://www.vmware.com/security/advisories/VMSA-2020-0011.htmlVendor Advisory
https://www.talosintelligence.com/vulnerability_reports/TALOS-2019-0957Third Party Advisory
https://www.vmware.com/security/advisories/VMSA-2020-0011.htmlVendor Advisory

Timeline

Published: May 29, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-3958?

How severe is CVE-2020-3958?

CVE-2020-3958 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.45% probability of exploitation in the next 30 days.

How do I fix CVE-2020-3958?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-3958?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST